4138540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 10456992

約数和(自身を除く): 6318452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 103, 140, 164, 196, 205, 206, 245, 287, 410, 412, 490, 515, 574, 721, 820, 980, 1030, 1148, 1435, 1442, 2009, 2060, 2870, 2884, 3605, 4018, 4223, 5047, 5740, 7210, 8036, 8446, 10045, 10094, 14420, 16892, 20090, 20188, 21115, 25235, 29561, 40180, 42230, 50470, 59122, 84460, 100940, 118244, 147805, 206927, 295610, 413854, 591220, 827708, 1034635, 2069270, 4138540]

約数ペア:

[(1, 4138540), (2, 2069270), (4, 1034635), (5, 827708), (7, 591220), (10, 413854), (14, 295610), (20, 206927), (28, 147805), (35, 118244), (41, 100940), (49, 84460), (70, 59122), (82, 50470), (98, 42230), (103, 40180), (140, 29561), (164, 25235), (196, 21115), (205, 20188), (206, 20090), (245, 16892), (287, 14420), (410, 10094), (412, 10045), (490, 8446), (515, 8036), (574, 7210), (721, 5740), (820, 5047), (980, 4223), (1030, 4018), (1148, 3605), (1435, 2884), (1442, 2870), (2009, 2060)]